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# WinAVR Sample makefile written by Eric B. Weddington, Jörg Wunsch, et al.# Released to the Public Domain# Please read the make user manual!## Retrofitted for the AVRcam project by John Orlando 6/30/2004### On command line:## make all = Make software.## make clean = Clean out built project files.## make coff = Convert ELF to AVR COFF (for use with AVR Studio 3.x or VMLAB).## make extcoff = Convert ELF to AVR Extended COFF (for use with AVR Studio# 4.07 or greater).## make program = Download the hex file to the device, using avrdude. Please# customize the avrdude settings below first!## make filename.s = Just compile filename.c into the assembler code only## To rebuild project do "make clean" then "make all".## Revision History:# Date Rel Ver. Notes# 4/10/2004 0.1 Module created# 6/30/2004 1.0 Initial release for Circuit Cellar# contest.# 1/15/2005 1.4 Removed the UartInterfaceAsm file from# file list, since the routine in that# file was added to UartInterface.c.# MCU nameMCU = atmega8# Output format. (can be srec, ihex, binary)FORMAT = ihex# Target file name (without extension).TARGET = AVRcam# Optimization level, can be [0, 1, 2, 3, s]. 0 turns off optimization.# (Note 3 is not always the best optimization level. See avr-libc FAQ.)OPT = 1# List C source files here. (C dependencies are automatically generated.)#SRC = $(TARGET).c# If there is more than one source file, append them above, or adjust and# uncomment the following:# NOTE: The order of the files here is important...CamInterface.c MUST be# the first file, due to the declaration of an array that needs to be# located at the very beginning of the .noinit section in on-board RAM.SRC = CamInterface.c Main.c Executive.c FrameMgr.c UIMgr.c UartInterface.c I2CInterface.c CamConfig.c Utility.c DebugInterface.c# List Assembler source files here.# Make them always end in a capital .S. Files ending in a lowercase .s# will not be considered source files but generated files (assembler# output from the compiler), and will be deleted upon "make clean"!# Even though the DOS/Win* filesystem matches both .s and .S the same,# it will preserve the spelling of the filenames, and gcc itself does# care about how the name is spelled on its command-line.ASRC = CamInterfaceAsm.S# Optional compiler flags.# -g: generate debugging information (for GDB, or for COFF conversion)# -O*: optimization level# -f...: tuning, see gcc manual and avr-libc documentation# -Wall...: warning level# -Wa,...: tell GCC to pass this to the assembler.# -ahlms: create assembler listingCFLAGS = -g -O$(OPT) \-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums \-Wall -Wstrict-prototypes \-Wa,-ahlms=$(<:.c=.lst)# Optional assembler flags.# -Wa,...: tell GCC to pass this to the assembler.# -ahlms: create listing# -gstabs: have the assembler create line number information; note that# for use in COFF files, additional information about filenames# and function names needs to be present in the assembler source# files -- see avr-libc docs [FIXME: not yet described there]ASFLAGS = -Wa,-ahlms=$(<:.S=.lst),-gstabs# Optional linker flags.# -Wl,...: tell GCC to pass this to linker.# -Map: create map file# --cref: add cross reference to map fileLDFLAGS = -Wl,-Map=$(TARGET).map,--cref,--section-start=.noinit=0x800300#LDFLAGS = -Wl,-Map=$(TARGET).map,--cref,--section-start=.john=0x800200# Additional libraries## Minimalistic printf version#LDFLAGS += -Wl,-u,vfprintf -lprintf_min## Floating point printf version (requires -lm below)#LDFLAGS += -Wl,-u,vfprintf -lprintf_flt## -lm = math libraryLDFLAGS += -lmPROGRAMMER_DEVICE = dapaPORT = /dev/parport0 # programmer connected to parallel port# Programming support using avrdude. Settings and variables.# Programming hardware: avrisp stk500 avr910 pavr stk200 pony-stk200# dt006 bascom alf# Type: avrdude -c ?# to get a full listing.## Uncomment the following if you want avrdude's erase cycle counter.# Note that this counter needs to be initialized first using -Yn,# see avrdude manual.#AVRDUDE_ERASE += -y## Uncomment the following if you do /not/ wish a verification to be# performed after programming the device.#AVRDUDE_FLAGS += -V## Increase verbosity level. Please use this when submitting bug# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude># to submit bug reports.#AVRDUDE_FLAGS += -v -v# ---------------------------------------------------------------------------# Define directories, if needed.DIRAVR = c:/winavrDIRAVRBIN = $(DIRAVR)/binDIRAVRUTILS = $(DIRAVR)/utils/binDIRINC = .DIRLIB = $(DIRAVR)/avr/lib# Define programs and commands.SHELL = shCC = avr-gccOBJCOPY = avr-objcopyOBJDUMP = avr-objdumpSIZE = avr-size# Programming support using avrdude.#PROGRAMMER = avrdude# Programming support using uisp.PROGRAMMER = uispREMOVE = rm -fCOPY = cpHEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hexELFSIZE = $(SIZE) -A $(TARGET).elfFINISH = echo Errors: noneBEGIN = echo -------- begin --------END = echo -------- end --------# Define all object files.OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)# Define all listing files.LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)# Combine all necessary flags and optional flags.# Add target processor to flags.ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)# Default target.all: begin gccversion sizebefore $(TARGET).elf $(TARGET).hex $(TARGET).eep \$(TARGET).lss coff sizeafter finished end# Eye candy.# AVR Studio 3.x does not check make's exit code but relies on# the following magic strings to be generated by the compile job.begin:@$(BEGIN)finished:@$(FINISH)end:@$(END)# Display size of file.sizebefore:@if [ -f $(TARGET).elf ]; then echo Size before:; $(ELFSIZE);fisizeafter:@if [ -f $(TARGET).elf ]; then echo Size after:; $(ELFSIZE);fi# Display compiler version information.gccversion :$(CC) --version# Convert ELF to COFF for use in debugging / simulating in# AVR Studio or VMLAB.COFFCONVERT=$(OBJCOPY) --debugging \--change-section-address .data-0x800000 \--change-section-address .bss-0x800000 \--change-section-address .noinit-0x800000 \--change-section-address .eeprom-0x810000coff: $(TARGET).elf$(COFFCONVERT) -O coff-avr $< $(TARGET).cofextcoff: $(TARGET).elf$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof# Program the device. The magic trickery below examines the .eep hex# file whether the size is > 0, and if so, reprograms the EEPROM as# well. Just delete these lines if you don't want this feature (like# on the ATmegas with the EESAVE fuse bit set).program: $(TARGET).hex $(TARGET).eep# if[ "$(PROGRAMMER)" == "avrdude"]; then \# avrdude -p $(MCU) -P $(PORT) -c $(PROGRAMMER_DEVICE) -e # erase AVR device# avrdude -p $(MCU) -P $(PORT) -c $(PROGRAMMER_DEVICE) -i $(TARGET).hex # program AVR device# fi; \# @$(SIZE) --target=$(FORMAT) $(TARGET).eep | while read line; \# do \# set -- $$line; \# if [ "x$$1" != "x0" ] ; then continue; fi; \# if [ "$$2" -ne 0 ] ; then \# echo $(AVRDUDE) $(AVRDUDE_FLAGS) -m eeprom -i $(TARGET).eep; \# $(AVRDUDE) $(AVRDUDE_FLAGS) -m eeprom -i $(TARGET).eep; \# break; \# fi; \# done# if[$PROGRAMMER == "uisp"]; thenuisp -dlpt=$(PORT) -dpart=$(MCU) -dprog=$(PROGRAMMER_DEVICE) --eraseuisp -dlpt=$(PORT) -dpart=$(MCU) -dprog=$(PROGRAMMER_DEVICE) if=$(TARGET).hex --uploaduisp -dlpt=$(PORT) -dpart=$(MCU) -dprog=$(PROGRAMMER_DEVICE) if=$(TARGET).hex --verify# fi;# Create final output files (.hex, .eep) from ELF output file.%.hex: %.elf$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@%.eep: %.elf-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \--change-section-lma .eeprom=0 -O $(FORMAT) $< $@# Create extended listing file from ELF output file.%.lss: %.elf$(OBJDUMP) -h -S $< > $@# Link: create ELF output file from object files..SECONDARY : $(TARGET).elf.PRECIOUS : $(OBJ)%.elf: $(OBJ)$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)# Compile: create object files from C source files.%.o : %.c$(CC) -c $(ALL_CFLAGS) $< -o $@# Compile: create assembler files from C source files.%.s : %.c$(CC) -S $(ALL_CFLAGS) $< -o $@# Assemble: create object files from assembler source files.%.o : %.S$(CC) -c $(ALL_ASFLAGS) $< -o $@# Target: clean project.clean: begin clean_list finished endclean_list :$(REMOVE) $(TARGET).hex$(REMOVE) $(TARGET).eep$(REMOVE) $(TARGET).obj$(REMOVE) $(TARGET).cof$(REMOVE) $(TARGET).elf$(REMOVE) $(TARGET).map$(REMOVE) $(TARGET).obj$(REMOVE) $(TARGET).a90$(REMOVE) $(TARGET).sym$(REMOVE) $(TARGET).lnk$(REMOVE) $(TARGET).lss$(REMOVE) $(OBJ)$(REMOVE) $(LST)$(REMOVE) $(SRC:.c=.s)$(REMOVE) $(SRC:.c=.d)# Automatically generate C source code dependencies.# (Code originally taken from the GNU make user manual and modified# (See README.txt Credits).)## Note that this will work with sh (bash) and sed that is shipped with WinAVR# (see the SHELL variable defined above).# This may not work with other shells or other seds.#%.d: %.cset -e; $(CC) -MM $(ALL_CFLAGS) $< \| sed 's,\(.*\)\.o[ :]*,\1.o \1.d : ,g' > $@; \[ -s $@ ] || rm -f $@# Remove the '-' if you want to see the dependency files generated.-include $(SRC:.c=.d)# Listing of phony targets..PHONY : all begin finish end sizebefore sizeafter gccversion coff extcoff \clean clean_list program